1、 IEC 61987-1 Edition 1.0 2006-12 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial-process measurement and control Data structures and elements in process equipment catalogues Part 1: Measuring equipment with analogue and digital output Mesure et commande dans les processus industriels Elments
2、et structures de donnes dans les catalogues dquipements de processus Partie 1: Equipement de mesure avec sortie analogique et numrique IEC 61987-1:2006 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2006 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this pub
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16、des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 61987-1 Edition 1.0 2006-12 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial-process measurement and control Data structures and elements in process equipment catalogues Part 1: Measuring equipm
17、ent with analogue and digital output Mesure et commande dans les processus industriels Elments et structures de donnes dans les catalogues dquipements de processus Partie 1: Equipement de mesure avec sortie analogique et numrique INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE
18、INTERNATIONALE X ICS 25.040.40; 35.240.50 PRICE CODE CODE PRIX ISBN 978-2-83220-375-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distribut
19、or. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 61987-1 IEC:2006 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope . 7 2 Normative references 7 3 Terms and definitions . 7 4 Metadocuments 15 4.1 General . 15 4.2 Metadocument chapters and features 1
20、6 4.3 Nomenclature 18 5 Metadocument for process measuring equipment 18 5.1 Identification 18 5.2 Application. 19 5.3 Function and system design . 19 5.4 Input 20 5.5 Output . 20 5.6 Performance characteristics 21 5.7 Operating conditions 22 5.8 Mechanical construction 24 5.9 Operability . 25 5.10 P
21、ower supply . 26 5.11 Certificates and approvals . 26 5.12 Ordering information 26 5.13 Documentation 26 Annex A (normative) Classification of features as a function of measuring equipment . 27 Annex B (informative) Classification of features as a function of measurement principle . 29 Bibliography
22、49 Figure 1 Classification scheme for process measuring equipment . 16 Table A.1 Classification and documentation structure of measuring equipment. . 27 Table B.1 Classification and documentation structure of flow measuring equipment . 30 Table B.2 Classification and documentation structure of level
23、 measuring equipment 34 Table B.3 Classification and documentation structure of pressure measuring equipment . 38 Table B.4 Classification and documentation structure of temperature measuring equipment . 43 Table B.5 Classification and documentation structure of temperature measuring equipment . 46
24、61987-1 IEC:2006 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL DATA STRUCTURES AND ELEMENTS IN PROCESS EQUIPMENT CATALOGUES Part 1: Measuring equipment with analogue and digital output FOREWORD 1) The International Electrotechnical Commission (IEC) is a wor
25、ldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other
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34、ced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. Internat
35、ional Standard IEC 61987-1 has been prepared by subcommittee 65B: Devices, of IEC technical committee 65: Industrial-process measurement and control. This standard cancels and replaces IEC/PAS 61987-1 published in 2002. This first edition constitutes a technical revision. This bilingual version (201
36、2-12) corresponds to the monolingual English version, published in 2006-12. 4 61987-1 IEC:2006 The text of this standard is based on the following documents: FDIS Report on voting 65B/599/FDIS 65B/602/RVD Full information on the voting for the approval of this standard can be found in the report on
37、voting indicated in the above table. The French version of this standard has not been voted upon. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The committee has decided that the contents of this publication will remain unchanged until the maintenance result da
38、te indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 61987-1 IEC:2006 5 INTRODUCTION In recent years, industry has become alert to the f
39、act that a great deal of time and effort is wasted in the transposition of measuring equipment data from one form to another. The technical data of an instrument, for example, may exist at the manufacturers facilty as two separate data sets for paper and electronic presentation: the end-user require
40、s much the same data for works standards, engineering data bases or commercial data bases. In most cases, however, the data cannot be automatically re-used because each application has its own particular data storage format. A second problem that belies the re-use of technical data is the content of
41、 the product descriptions themselves. There is little agreement between manufacturers on what information a technical data sheet should contain, how it should be arranged or how the results, for example, of particular performance tests should be presented. When transferring this information into a d
42、ata base, an end-user will always find gaps and proprietary interpretations that make the task more difficult. This standard aims at solving these problems by defining a generic structure and its content for industrial-process measuring and control equipment. It builds upon the assumption that, for
43、a given class of measuring equipment, for example, pressure measuring equipment, temperature measuring equipment or electromagnetic flow-measuring equipment, a set of non-proprietary structures and product features can be specified. The resulting documents cannot only be exchanged electronically, th
44、ey can also be presented to humans in an easily understandable form. This standard is applicable to electronic catalogues of process measuring equipment with analogue and digital output. Further parts with similar classification structures will be produced for measuring equipment with binary output
45、and interface equipment in the future. (The structure already contains a great many product features that are common to measuring equipment with binary output.) Similarly, Annex B has been prepared with a view to future standardization. This standard is not intended as a replacement for existing sta
46、ndards, but rather as a guiding document for all future standards which are concerned with the specifications of process measuring equipment. Every revision of an existing standard should take into account the structures and product features defined in Clause 5 of this standard or work towards a har
47、monization. Annex A contains a tabular overview of the classification and catalogue structure of process measuring equipment. Annex B contains tables with a further sub-classification for specific measured variables. Wherever possible, existing terms from international standards have been used to na
48、me the product features within the structures. In accordance with ISO 10241, Clause 3 of this standard contains a list of terms, definitions and sources. Documents created according to the standard are structured. A possible means of exchanging structured information free of layout information is gi
49、ven by Standard Generalized Mark-Up Language (SGML) described in ISO 8879 or Extensible Mark-Up Language (XML), which is derived from it. This standard could also provide the basis for arranging properties (data element types) that conform to IEC 61360 or ISO 13584. This would require that the features which, in this standard, can be textual units, graphical and tabular representations, etc., be broken down into properties (data el
